Senior Software QA Engineer jobs in Slough

Job Title - .NET Developer (Contract) Location - London (Hybrid – 2–3 days onsite) Contract Type - Contract (Outside IR35 / Inside IR35 – depending on client) Duration -12 months (likely extension) Day Rate - Competitive Role Overview We are looking for an experienced .NET Developer to join a delivery-focused engineering team working on business-critical systems in a fast-paced London-based...

You will contribute to the evolution of a sophisticated broadcast control platform responsible for orchestrating complex media workflows across SDI, IP, and hybrid environments. It’s a chance to work on mission‑critical software with a business recognised globally for excellence in live production technology.

Senior/Lead Software Engineer – Fully Remote (UK) A global B2B SaaS technology business is building out its European engineering hub and is hiring multiple Senior / Lead Software Engineers (JavaScript) to develop and enhance a mission-critical platform used internationally. These are hands-on individual contributor role with strong ownership — ideal for engineers who enjoy building high-quality...

About the Role: Machnet Medical Robotics is an innovative MedTech startup dedicated to revolutionising minimally invasive surgery with our groundbreaking robotic system. We are currently seeking an Senior Software Engineer (C++) – Medical Devices to join our innovative team. In this role, you will lead the development and optimization of embedded software systems for our cutting-edge...

Please find the Job Description:- Role: Senior Java Developer Location: Farnborough/UK (Hybrid) Hybrid mode of work Exp range:8+ years Mandatory skills: Java Springboot, Java 17/11, AWS, Pipeline, Financial domain, Spark. JD: Java Tech Lead job involves leading and mentoring a Java development team, analyzing and designing software solutions, ensuring adherence to best practices and...

You will work closely with product managers, designers, and other engineers to solve complex problems and create intuitive solutions that help simplify financial workflows for our users. You’ll have the opportunity to own critical features and contribute to the overall architecture of our platform.

Senior Software Engineer Lead complex engineering work | Azure | .NET | Distributed Systems At GTreasury, we build software that sits at the heart of the CFO’s office. Our SaaS platform handles complex financial workflows at global scale - and we’re investing heavily in the next phase of growth. We’re hiring a Senior Software Engineer who enjoys solving hard problems, influencing technical...

Senior Software Engineer Full Stack - Ruby on Rails, React Up to £120k DOE Fully Remote - must be UK based A fast-growing sports tech company building high-performance, data-driven products for a rapidly expanding global audience is searching for a Senior Full Stack Engineer. This is a pivotal role for an experienced engineer who thrives on shaping architecture, driving technical direction,...

You will work across the stack, building robust back-end systems in TypeScript, Node. js, and PHP, and delivering high-quality front-end experiences using modern JavaScript frameworks. The role requires expertise in database design, DevOps, cryptographic data handling, and AWS cloud technologies.

You will join a cross-functional product engineering team working on the evolution and modernisation of a core SaaS platform. The focus is on building scalable, cloud-native services while improving reliability, performance, and long-term maintainability.

You will be building backend systems that support advanced AI research and deployment decisions. The software you work on influences how complex models are tested, understood, and monitored before they reach the real world.

You will be designing systems that need to be correct, performant, and maintainable under real load.

You will own features end to end, from idea through to production use

You will work on data integrations, platform execution, and the systems that power AI-driven analytics. What You Will Be Doing - Building core data integrations with common SaaS platforms - Designing data pipelines that ingest provider APIs into our analytics datastore - Improving the agent platform and executor with better error handling, observability, and speed

Senior Software Engineer Location: London (x3 days a week onsite) Salary: Up to £80k DOE Type: Perm Job Description We are looking for a passionate Senior Java Engineer in London to lead the design and development of core product features and services that power an app used by thousands of travellers on a daily basis. As a Senior Java Engineer for an loyalty program team, you will have the...

Software Engineer London | Full-time | Hybrid | Shoreditch/Liverpool Street Create the Future of Travel With Us Whether it's visiting the people closest to us, starting an exciting adventure, or a career-defining business trip, travel is essential. Yet we've all experienced the aches and pains of getting to our destination. More than 4 billion airline passengers rely on technology that hasn't...

🌱 Software Engineer | Energy & Climate Tech | London (Hybrid) A fast-growing energy technology company is building the intelligence layer for a cleaner, more resilient power grid - and they’re looking for engineers who want their code to have measurable, real-world impact. The team is developing large-scale optimisation systems that coordinate EV charging, home batteries, and heating to...

Senior Software Engineer – Python / React / Next.js (Agnostic Backend) £140,000–£200,000 Base + Serious equity Rare chance to join a very early stage AI platform that has just raised an unusually large Series A of close to $100 Million from tier one fintech and technology investors. The company is extremely well funded for its stage, and already working with major financial institutions (Major...

Senior Software Engineer | Distributed Systems | Sustainable Cloud Native Platform Up to £110,000 per annum plus bonus plus stock Central London office Golang, Rust, C, Kubernetes, Linux, Cloud Native, Distributed systems... Are you a Senior Software Engineer with extensive knowledge of building distributed systems? Looking to join a company who are solving genuine problems that disrupt an...

AdvisoryAI is building the AI co-pilot that's transforming wealth management. We automate the tedious middle-office work that buries financial advisors, freeing them to focus on what matters: their clients. Founded by Entrepreneur First alumni, we've scaled to thousands of daily active users and are currently valued at £100 million. We're raising our Series A in 2025. We need cracked Software...

Senior Software Engineer – AI Startup – Up to 120k 🚀🧠 💰 Salary: £70,000 - £140,000 + meaningful equity 🏙️ Location: London, flexible working arrangements, ideally 2/3 days in office 💻 Tech Stack: Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite engineering team within the AI space. The platform is being used across the...

At Ripple, we’re building a world where value moves like information does today. It’s big, it’s bold, and we’re already doing it. Through our crypto solutions for financial institutions, businesses, governments and developers, we are improving the global financial system and creating greater economic fairness and opportunity for more people, in more places around the world. And we get to do the...